[Freeswitch-users] freeswitch 1.6.19 bizarre fax 488 behavior

[Aqs Younas]

I am facing a bizarre behavior while trying to send fax from zoiper to
freeswitch.

First, i tried to use the dialplan example as shown in documentation page.

<extension name="fax_receive">
  <condition field="destination_number" expression="^9978$">
    <action application="answer" />
    <action application="playback" data="silence_stream://2000"/>
    <action application="set" data="fax_enable_t38_request=true"/>
    <action application="set" data="fax_enable_t38=true"/>
    <action application="rxfax" data="/tmp/FAX-${uuid}.tif"/>
    <action application="hangup"/>
  </condition>
</extension>

But this resulted in "488 Not Acceptable Here" even though i have set
fax_enable_t38 in vars.xml
Logs.
*https://pastebin.freeswitch.org/view/07224882
<https://pastebin.freeswitch.org/view/07224882>*

Second, But i remove few lines from dialplan.

<extension name="fax_receive">
  <condition field="destination_number" expression="^9978$">
    <action application="answer" />
    <action application="rxfax" data="/tmp/FAX-${uuid}.tif"/>
    <action application="hangup"/>
  </condition>
</extension>

Everything seems to work perfectly.

Third. When i insert a small lua script after answer in above dialplan it
again fails with 488.


<extension name="fax_receive">
  <condition field="destination_number" expression="^9978$">
    <action application="answer" />
 <action application="lua" data="jack.lua"/>
    <action application="rxfax" data="/tmp/FAX-${uuid}.tif"/>
    <action application="hangup"/>
  </condition>
</extension>

I just want to run a small lua script before i call rxfax application.
Any help would be much appreciated.

Best Regards.



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